From f846711ea2d4df40a85f338654f5fa004b612e2c Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Wed, 15 Jul 2020 12:03:15 +0100
Subject: [PATCH] mosquitto_pub now sends 0 length files without an error when
 using `-f`.

---
 ChangeLog.txt       | 1 +
 client/pub_shared.c | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index 140031fc..19a2d82d 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -53,6 +53,7 @@ Clients:
 - Add `--random-filter` to mosquitto_sub, to allow only a certain proportion
   of received messages to be printed.
 - mosquitto_sub %j and %J timestamps are now in a ISO 8601 compatible format.
+- mosquitto_pub now sends 0 length files without an error when using `-f`.
 
 
 1.6.9 - 20200227
diff --git a/client/pub_shared.c b/client/pub_shared.c
index 81996a4f..01ff8b17 100644
--- a/client/pub_shared.c
+++ b/client/pub_shared.c
@@ -99,8 +99,9 @@ int load_file(const char *filename)
 		return 1;
 	}else if(cfg.msglen == 0){
 		fclose(fptr);
-		err_printf(&cfg, "Error: File \"%s\" is empty.\n", filename);
-		return 1;
+		cfg.message = NULL;
+		cfg.msglen = 0;
+		return 0;
 	}else if(cfg.msglen < 0){
 		fclose(fptr);
 		err_printf(&cfg, "Error: Unable to determine size of file \"%s\".\n", filename);